CLOSED LOOP ROTARY DRYER
Turnkey Projects Installations
Impressive advantages
Reduces operation and transport costs drastically
Produces Class A Biosolids in a safe and enclosed environment
Operates with minimal supervision due to its high level of automation
Provides stable and reliable operation adaptable to frequent product variations
Generates no noise or odor disturbances in the neighborhood
Operates on various alternative heat sources, including biogas, biomass and thermal fluids
Requires minimal space
Closed Loop Rotaty Dryer
Reliable equipment – Useful and ecological end product
Dries municipal and industrial sludge and produces pellets reusable as fertilizers, combustibles or inert aggregate material
Huge reduction of inconveniences to the neighborhood due to transport noise and dust
Economical and ecological replacement option to landfills
Net GHG reduction when producing fertilizing biosolids
Superior results
“The La Pinière wastewater treatment plant in Laval, dewaters and dries, on an average day, around 30 metric tons of municipal sludge (dry basis) from an average solids content of about 28% at the drying system inlet to a solids content of more than 92% at the outlet. The biosolids produced in this process are certified as BNQ* Grade in the Province of Quebec. A part of these biosolids is distributed as fertilizers and a larger part is currently used as an efficient combustible and process addition in a cement plant in the region. This drying system was rated by Berlie Technologies Inc. for a nominal evaporative capacity of 5 metric tons per hour and processes sludge for an estimated population of 280,000 people.” – Citation from the management
* BNQ Grade is an equivalent, in the Province of Quebec, to the United States EPA-503 Process to Further Reduce Pathogens grade known as Class A Biosolids
Closed Loop Rotaty Dryer - Superior Results
CLOSED LOOP ROTARY DRYER
Series 1.0, 2.0, 3.0, 4.0, 5.0 & 6.0
Worldwide references
Berlie Technologies Inc. contracted and delivered, as turnkey projects, 11 biosolids drying and pelletizing plants in North America, Europe and Middle East.
There are 48 references of plants operating with this technology around the world.
Advanced technology
In our Patented Closed-Loop Design, oxygen is replaced by recycled steam in the dryer drum, which eliminates process risks and improves drying efficiency.
System configuration
Performance chart
Energy savings and recovery
When processing dewatered primary sludge, this drying system can be operated without the purchase of fossil fuels if its end product is recycled on site as an efficient heat source.
When processing dewatered digested sludge from anaerobic digestion, this drying system can be operated without the purchase of fossil fuels if the digestion biogas is recycled as an efficient heat source.
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